1 files changed, 4 insertions, 0 deletions
diff --git a/guides/rails_guides/markdown.rb b/guides/rails_guides/markdown.rb
index bf2cc82c7c..16aaa7d1eb 100644
--- a/guides/rails_guides/markdown.rb
+++ b/guides/rails_guides/markdown.rb
@@ -105,6 +105,10 @@ module RailsGuides
                 node.inner_html = "#{node_index(hierarchy)} #{node.inner_html}"
               end
             end
+
+            doc.css('h3, h4, h5, h6').each do |node|
+              node.inner_html = "<a class='anchorlink' href='##{node[:id]}'>#{node.inner_html}</a>"
+            end
           end.to_html
         end
       end